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TI-2026-83253 Aliases CVE-2026-69446GHSA-6jfw-hgqc-f449

Incorrect authorization in Microsoft Edge allows local privilege escalation

Priority LOW 22CWE-863Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Privilege escalation
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.

Summary

Incorrect authorization in Microsoft Edge (Chromium-based) lets an authorized local attacker gain elevated privileges. An attacker needs local access with low privileges, and no user interaction is required.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

Incorrect authorization in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00248 16th percentileScored 2026-11-07
Fix Fixed Microsoft Edge (Chromium-based) (Microsoft): 152.0.4191.53

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrosoftMicrosoft Edge (Chromium-based)1.0.0.0 to before 152.0.4191.53152.0.4191.53Patch availableCNA
  • Microsoft Edge (Chromium-based) VendorMicrosoft Affected 1.0.0.0 to before 152.0.4191.53 Fixed in 152.0.4191.53 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:*before 152.0.4191.53VulnerableMicrosoft
  • cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:-:*:*:* Versions before 152.0.4191.53 Vulnerable ·Microsoft

Remediation

Update Microsoft Edge (Chromium-based) to version 152.0.4191.53 or later, which is the fixed version listed for all affected builds from 1.0.0.0 before 152.0.4191.53.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

  • Fix · CNA Microsoft Edge (Chromium-based) (Microsoft) Fixed in 152.0.4191.53

Vendor assessments

Microsoft

Microsoft's page for this CVE →

Impact
Elevation of Privilege
Exploited
No
Publicly disclosed
No
Exploitability
—
ProductStatusPlan or fix
Microsoft Edge (Chromium-based)Fixed 152.0.4191.53 · Security Update

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-69446
  2. 2026-10-30 CISA SSVC decision points changed
  3. 2026-10-30 Alias added: GHSA-6jfw-hgqc-f449
  4. 2026-10-31 CISA SSVC decision points changed

References

  • TI-2023-05824 Integer overflow in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
  • TI-2025-12953 Memory corruption in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2025-04867 Out-of-bounds read in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2024-07384 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
See all 325 →

Sources